The median of a set of data containing 9 items was found. Four data items were added to the set. Two fo these items were greater that the original median, and the other 2 items were less than the original median. Which of the following statements must be true about the median of the new data set?

Given the set of data 1,1,2,2,2,3,3,4, which one of the following statements is true?

If the range of a set of integers is 2 and the mean is 50, which of the following statements must be true? I. The mode is 50. II. The median is 50. III. There are exactly three data value.

Given the set of data 1,1,2,2,2,3,3,x,y, where x and y represent two different integers. If the mode is 2, which of the following statements must be true?

Find the median of the data set 1.9, 8.4, 3.6, 5.8

The mean of a finite set S of numbers is 14, the median of this set of numbers is 12, and the standard deviation is 1.8. A new set T is formed by multiplying each member of the set S by 3. Which of the following statements must be true of the set T ? I. The mean of the numbers in set T is 42. II. The median of the numbers in set T is 36. III. The standard deviation of the numbers in set T is 5.4.

The maximum value of a data set consisting of 25 positive integers is 84. A new data set consisting of 26 positive integers is created by including 96 in the original data set. Which of the following measures must be 12 greater for the new data set than for the original data set?

For the set of numbers 2, 2, 4, 5 and 12, which of the following statements is true? Mean = Median (b) Mean > Mode Mean < Mode (d) Mode=Median

Find the mean deviation about the median for the following data 4,6,9,3,10,13,2

Find the mean deviation about the median for the following data:4,6,9,3,10,13,2